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aIn the past 12 months / since (his/her) birth [if younger than 12 months], how much a problem, if any, was it to get a referral to a specialist that (sample child) needed to see? Was it a big problem, a small problem or not a problem? Responses of big problem or small problem were recoded as any difficulty getting a referral.

bPoor refers to incomes below the Federal poverty line; near poor, over the poverty line to just below 200 percent of the poverty line; middle, 200 percent to just below 400 percent of the poverty line; and high, 400 percent of the poverty line and over.

*Data do not meet the criteria for statistical reliability, data quality, or confidentiality.

Key: SE: Standard error; MSA: Metropolitan Statistical Area

Note: The population categories used in this table are as reported from the source of the data (see below).